#include <stdlib.h>
#include <acpi/acpi.h>
#include <acpi/acpi_device.h>
#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <arch/cpu.h>
#include <console/console.h>
#include <cpu/intel/cpu_ids.h>
#include <device/i2c_simple.h>
#include <device/device.h>
#include <device/path.h>
#include <device/pci_def.h>
#include "chip.h"

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Macros
#define	SENSOR_NAME_UUID "822ace8f-2814-4174-a56b-5f029fe079ee"

#define	SENSOR_TYPE_UUID "26257549-9271-4ca4-bb43-c4899d5a4881"

#define	DEFAULT_ENDPOINT 0

#define	DEFAULT_REMOTE_NAME "\\_SB.PCI0.CIO2"

#define	CIO2_PCI_DEV 0x14

#define	CIO2_PCI_FN 0x3

#define	POWER_RESOURCE_NAME "PRIC"

#define	GUARD_VARIABLE_FORMAT "RES%1d"

#define	ENABLE_METHOD_FORMAT "ENB%1d"

#define	DISABLE_METHOD_FORMAT "DSB%1d"

#define	UNKNOWN_METHOD_FORMAT "UNK%1d"

#define	CLK_ENABLE_METHOD "MCON"

#define	CLK_DISABLE_METHOD "MCOF"

Functions
static void	resource_set_action_type (struct resource_config *res_config, enum action_type action)

static enum action_type	resource_get_action_type (const struct resource_config *res_config)

static enum ctrl_type	resource_get_ctrl_type (const struct resource_config *res_config)

static void	resource_set_clk_config (struct resource_config res_config, const struct clk_config clk_conf)

static const struct clk_config *	resource_clk_config (const struct resource_config *res_config)

static void	resource_set_gpio_config (struct resource_config res_config, const struct gpio_config gpio_conf)

static const struct gpio_config *	resource_gpio_config (const struct resource_config *res_config)

static void	camera_fill_cio2 (const struct device *dev)

static void	apply_pld_defaults (struct drivers_intel_mipi_camera_config *config)

static void	camera_generate_pld (const struct device *dev)

static uint32_t	address_for_dev_type (const struct device *dev, uint8_t dev_type)

static void	camera_generate_dsm (const struct device *dev)

static void	camera_fill_ssdb_defaults (struct drivers_intel_mipi_camera_config *config)

static void	camera_fill_sensor (const struct device *dev)

static void	camera_fill_nvm (const struct device *dev)

static void	camera_fill_vcm (const struct device *dev)

static int	get_resource_index (const struct resource_config *res_config)

static void	add_guarded_method_namestring (struct resource_config *res_config, int res_index)

static void	call_guarded_method (struct resource_config *res_config)

static void	add_clk_op (const struct clk_config *clk_config, enum action_type action)

static void	add_gpio_op (const struct gpio_config *gpio_config, enum action_type action)

static void	add_power_operation (const struct resource_config *res_config)

static void	write_guard_variable (uint8_t res_index)

static void	write_enable_method (struct resource_config *res_config, uint8_t res_index)

static void	write_disable_method (struct resource_config *res_config, uint8_t res_index)

static void	add_guarded_operations (const struct drivers_intel_mipi_camera_config config, const struct operation_seq seq)

static void	fill_power_res_sequence (struct drivers_intel_mipi_camera_config config, struct operation_seq seq)

static void	write_pci_camera_device (const struct device *dev)

static void	write_i2c_camera_device (const struct device dev, const char scope)

static void	write_camera_device_common (const struct device *dev)

static void	camera_fill_ssdt (const struct device *dev)

static const char *	camera_acpi_name (const struct device *dev)

static void	camera_enable (struct device *dev)

Variables
static struct camera_resource_manager	res_mgr

static struct device_operations	camera_ops

struct chip_operations	drivers_intel_mipi_camera_ops

Macro Definition Documentation

◆ CIO2_PCI_DEV

#define CIO2_PCI_DEV 0x14

Definition at line 21 of file camera.c.

◆ CIO2_PCI_FN

#define CIO2_PCI_FN 0x3

Definition at line 22 of file camera.c.

◆ CLK_DISABLE_METHOD

#define CLK_DISABLE_METHOD "MCOF"

Definition at line 29 of file camera.c.

◆ CLK_ENABLE_METHOD

#define CLK_ENABLE_METHOD "MCON"

Definition at line 28 of file camera.c.

◆ DEFAULT_ENDPOINT

#define DEFAULT_ENDPOINT 0

Definition at line 19 of file camera.c.

◆ DEFAULT_REMOTE_NAME

#define DEFAULT_REMOTE_NAME "\\_SB.PCI0.CIO2"

Definition at line 20 of file camera.c.

◆ DISABLE_METHOD_FORMAT

#define DISABLE_METHOD_FORMAT "DSB%1d"

Definition at line 26 of file camera.c.

◆ ENABLE_METHOD_FORMAT

#define ENABLE_METHOD_FORMAT "ENB%1d"

Definition at line 25 of file camera.c.

◆ GUARD_VARIABLE_FORMAT

#define GUARD_VARIABLE_FORMAT "RES%1d"

Definition at line 24 of file camera.c.

◆ POWER_RESOURCE_NAME

#define POWER_RESOURCE_NAME "PRIC"

Definition at line 23 of file camera.c.

◆ SENSOR_NAME_UUID

#define SENSOR_NAME_UUID "822ace8f-2814-4174-a56b-5f029fe079ee"

Definition at line 17 of file camera.c.

◆ SENSOR_TYPE_UUID

#define SENSOR_TYPE_UUID "26257549-9271-4ca4-bb43-c4899d5a4881"

Definition at line 18 of file camera.c.

◆ UNKNOWN_METHOD_FORMAT

#define UNKNOWN_METHOD_FORMAT "UNK%1d"

Definition at line 27 of file camera.c.

Function Documentation

◆ add_clk_op()

static void add_clk_op	(	const struct clk_config *	clk_config,
		enum action_type	action
	)

static

Definition at line 584 of file camera.c.

References acpigen_emit_ext_op(), acpigen_emit_namestring(), acpigen_emit_string(), acpigen_pop_len(), acpigen_write_debug_string(), acpigen_write_if(), acpigen_write_integer(), BIOS_ERR, CLK_DISABLE_METHOD, CLK_ENABLE_METHOD, clk_config::clknum, COND_REFOF_OP, DISABLE, ENABLE, clk_config::freq, NULL, and printk.

Referenced by add_power_operation().

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◆ add_gpio_op()

static void add_gpio_op	(	const struct gpio_config *	gpio_config,
		enum action_type	action
	)

static

Definition at line 614 of file camera.c.

References acpigen_soc_clear_tx_gpio(), acpigen_soc_set_tx_gpio(), acpigen_write_debug_string(), BIOS_ERR, DISABLE, ENABLE, gpio_config::gpio_num, NULL, and printk.

Referenced by add_power_operation().

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◆ add_guarded_method_namestring()

static void add_guarded_method_namestring	(	struct resource_config *	res_config,
		int	res_index
	)

static

Definition at line 551 of file camera.c.

References ACPI_NAME_BUFFER_SIZE, acpigen_emit_namestring(), BIOS_ERR, DISABLE, DISABLE_METHOD_FORMAT, ENABLE, ENABLE_METHOD_FORMAT, printk, resource_get_action_type(), snprintf(), and UNKNOWN_METHOD_FORMAT.

Referenced by call_guarded_method().

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◆ add_guarded_operations()

static void add_guarded_operations	(	const struct drivers_intel_mipi_camera_config *	config,
		const struct operation_seq *	seq
	)

static

Definition at line 712 of file camera.c.

References BIOS_ERR, camera_resource_manager::cnt, config, get_resource_index(), GPIO, camera_resource::id, IMGCLK, operation_type::index, MAX_GUARDED_RESOURCES, MAX_PWR_OPS, operation_seq::ops, operation_seq::ops_cnt, printk, res_mgr, camera_resource_manager::resource, resource_set_clk_config(), resource_set_gpio_config(), camera_resource::type, operation_type::type, write_disable_method(), write_enable_method(), and write_guard_variable().

Referenced by camera_fill_ssdt().

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◆ add_power_operation()

static void add_power_operation ( const struct resource_config * res_config )

static

Definition at line 633 of file camera.c.

References add_clk_op(), add_gpio_op(), BIOS_ERR, GPIO, gpio_config, IMGCLK, NULL, printk, resource_clk_config(), resource_get_action_type(), resource_get_ctrl_type(), resource_gpio_config(), and type.

Referenced by write_disable_method(), and write_enable_method().

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◆ address_for_dev_type()

static uint32_t address_for_dev_type	(	const struct device *	dev,
		uint8_t	dev_type
	)

static

Definition at line 208 of file camera.c.

References device::bus, device::chip_info, config, DEV_TYPE_ROM, DEV_TYPE_SENSOR, DEV_TYPE_VCM, i2c_path::device, device_path::i2c, device::path, and bus::secondary.

Referenced by camera_generate_dsm().

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◆ apply_pld_defaults()

static void apply_pld_defaults ( struct drivers_intel_mipi_camera_config * config )

static

Definition at line 160 of file camera.c.

References config, PLD_HORIZONTAL_POSITION_CENTER, and PLD_PANEL_FRONT.

Referenced by camera_generate_pld().

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◆ call_guarded_method()

static void call_guarded_method ( struct resource_config * res_config )

static

Definition at line 571 of file camera.c.

References add_guarded_method_namestring(), get_resource_index(), and NULL.

Referenced by fill_power_res_sequence().

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◆ camera_acpi_name()

static const char* camera_acpi_name ( const struct device * dev )

static

Definition at line 991 of file camera.c.

References ACPI_NAME_BUFFER_SIZE, BIOS_ERR, device::chip_info, config, INTEL_ACPI_CAMERA_CIO2, INTEL_ACPI_CAMERA_IMGU, INTEL_ACPI_CAMERA_NVM, INTEL_ACPI_CAMERA_PMIC, INTEL_ACPI_CAMERA_SENSOR, INTEL_ACPI_CAMERA_VCM, name, NULL, printk, and snprintf().

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◆ camera_enable()

static void camera_enable ( struct device * dev )

static

Definition at line 1039 of file camera.c.

References camera_ops, and device::ops.

◆ camera_fill_cio2()

static void camera_fill_cio2 ( const struct device * dev )

static

Definition at line 93 of file camera.c.

References acpi_dp_add_array(), acpi_dp_add_child(), acpi_dp_add_integer(), acpi_dp_add_reference(), acpi_dp_new_table(), acpi_dp_write(), BUS_PATH_MAX, device::chip_info, config, CONFIG, cpu_get_cpuid(), cpu_id, CPUID_ALDERLAKE_J0, CPUID_ALDERLAKE_N_A0, CPUID_ALDERLAKE_Q0, free(), MAX_PORT_ENTRIES, name, NULL, snprintf(), and strdup().

Referenced by write_camera_device_common().

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◆ camera_fill_nvm()

static void camera_fill_nvm ( const struct device * dev )

static

Definition at line 467 of file camera.c.

References acpi_dp_add_integer(), acpi_dp_add_string(), acpi_dp_new_table(), acpi_dp_write(), device::chip_info, and config.

Referenced by write_camera_device_common().

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◆ camera_fill_sensor()

static void camera_fill_sensor ( const struct device * dev )

static

Definition at line 354 of file camera.c.

References acpi_device_path(), acpi_dp_add_array(), acpi_dp_add_child(), acpi_dp_add_integer(), acpi_dp_add_reference(), acpi_dp_new_table(), acpi_dp_write(), acpigen_pop_len(), acpigen_write_method_serialized(), acpigen_write_return_byte_buffer(), BIOS_ERR, device::bus, camera_fill_ssdb_defaults(), camera_generate_dsm(), camera_generate_pld(), device::chip_info, CIO2_PCI_DEV, CIO2_PCI_FN, config, DEFAULT_ENDPOINT, DEFAULT_REMOTE_NAME, DEVICE_PATH_I2C, drivers_intel_mipi_camera_config::device_type, find_dev_path(), INTEL_ACPI_CAMERA_VCM, MAX_LINK_FREQ_ENTRIES, NULL, device::path, pcidev_on_root(), printk, device_path::type, and drivers_intel_mipi_camera_config::vcm_name.

Referenced by write_camera_device_common().

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◆ camera_fill_ssdb_defaults()

static void camera_fill_ssdb_defaults ( struct drivers_intel_mipi_camera_config * config )

static

Definition at line 290 of file camera.c.

References BIOS_ERR, device::chip_info, drivers_intel_mipi_camera_config::cio2_lanes_used, drivers_intel_mipi_camera_config::cio2_num_ports, CIO2_PCI_DEV, CIO2_PCI_FN, CLK_FREQ_19_2MHZ, config, drivers_intel_mipi_camera_config::device_type, FLASH_DISABLE, INTEL_ACPI_CAMERA_CIO2, MIPI_INFO_ACPI_DEFINED, NULL, PCI_DEVFN, pcidev_on_root(), PLATFORM_SKC, printk, and PRIVACY_LED_A_16mA.

Referenced by camera_fill_sensor().

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◆ camera_fill_ssdt()

static void camera_fill_ssdt ( const struct device * dev )

static

Definition at line 932 of file camera.c.

References acpi_device_path(), acpi_device_scope(), acpigen_pop_len(), acpigen_write_scope(), add_guarded_operations(), BIOS_ERR, BIOS_INFO, device::bus, device::chip_info, device::chip_ops, config, bus::dev, pci_path::devfn, i2c_path::device, DEVICE_PATH_GENERIC, DEVICE_PATH_I2C, DEVICE_PATH_PCI, device::enabled, device_path::i2c, chip_operations::name, NULL, device::path, device_path::pci, printk, device_path::type, write_camera_device_common(), write_i2c_camera_device(), and write_pci_camera_device().

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◆ camera_fill_vcm()

static void camera_fill_vcm ( const struct device * dev )

static

Definition at line 504 of file camera.c.

References acpi_dp_add_integer(), acpi_dp_add_string(), acpi_dp_new_table(), acpi_dp_write(), device::chip_info, and config.

Referenced by write_camera_device_common().

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◆ camera_generate_dsm()

static void camera_generate_dsm ( const struct device * dev )

static

Definition at line 231 of file camera.c.

References acpigen_emit_byte(), acpigen_pop_len(), acpigen_write_if(), acpigen_write_if_lequal_op_int(), acpigen_write_method(), acpigen_write_return_integer(), acpigen_write_return_singleton_buffer(), acpigen_write_return_string(), acpigen_write_to_buffer(), acpigen_write_to_integer(), acpigen_write_uuid(), address_for_dev_type(), ARG0_OP, ARG2_OP, device::chip_info, config, DEV_TYPE_ROM, DEV_TYPE_SENSOR, DEV_TYPE_VCM, LEQUAL_OP, LOCAL0_OP, LOCAL1_OP, SENSOR_NAME_UUID, and SENSOR_TYPE_UUID.

Referenced by camera_fill_sensor().

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◆ camera_generate_pld()

static void camera_generate_pld ( const struct device * dev )

static

Definition at line 196 of file camera.c.

References acpigen_write_pld(), apply_pld_defaults(), device::chip_info, and config.

Referenced by camera_fill_sensor().

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◆ fill_power_res_sequence()

static void fill_power_res_sequence	(	struct drivers_intel_mipi_camera_config *	config,
		struct operation_seq *	seq
	)

static

Definition at line 760 of file camera.c.

References acpigen_write_sleep(), operation_type::action, BIOS_ERR, call_guarded_method(), config, operation_type::delay_ms, GPIO, IMGCLK, operation_type::index, MAX_PWR_OPS, operation_seq::ops, operation_seq::ops_cnt, printk, resource_set_action_type(), resource_set_clk_config(), resource_set_gpio_config(), and operation_type::type.

Referenced by write_i2c_camera_device().

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◆ get_resource_index()

static int get_resource_index ( const struct resource_config * res_config )

static

Definition at line 521 of file camera.c.

References BIOS_ERR, clk_config::clknum, camera_resource_manager::cnt, GPIO, gpio_config, gpio_config::gpio_num, camera_resource::id, IMGCLK, printk, res_mgr, camera_resource_manager::resource, resource_clk_config(), resource_get_ctrl_type(), resource_gpio_config(), camera_resource::type, and type.

Referenced by add_guarded_operations(), and call_guarded_method().

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◆ resource_clk_config()

static const struct clk_config* resource_clk_config ( const struct resource_config * res_config )

static

Definition at line 59 of file camera.c.

References resource_config::clk_conf, and NULL.

Referenced by add_power_operation(), and get_resource_index().

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◆ resource_get_action_type()

static enum action_type resource_get_action_type ( const struct resource_config * res_config )

static

Definition at line 33 of file camera.c.

References resource_config::action.

Referenced by add_guarded_method_namestring(), and add_power_operation().

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◆ resource_get_ctrl_type()

static enum ctrl_type resource_get_ctrl_type ( const struct resource_config * res_config )

static

Definition at line 33 of file camera.c.

Referenced by add_power_operation(), and get_resource_index().

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◆ resource_gpio_config()

static const struct gpio_config* resource_gpio_config ( const struct resource_config * res_config )

static

Definition at line 73 of file camera.c.

References resource_config::gpio_conf, and NULL.

Referenced by add_power_operation(), and get_resource_index().

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◆ resource_set_action_type()

static void resource_set_action_type	(	struct resource_config *	res_config,
		enum action_type	action
	)

static

Definition at line 33 of file camera.c.

Referenced by fill_power_res_sequence(), write_disable_method(), and write_enable_method().

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◆ resource_set_clk_config()

static void resource_set_clk_config	(	struct resource_config *	res_config,
		const struct clk_config *	clk_conf
	)

static

Definition at line 50 of file camera.c.

References resource_config::clk_conf, IMGCLK, and resource_config::type.

Referenced by add_guarded_operations(), and fill_power_res_sequence().

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◆ resource_set_gpio_config()

static void resource_set_gpio_config	(	struct resource_config *	res_config,
		const struct gpio_config *	gpio_conf
	)

static

Definition at line 64 of file camera.c.

References GPIO, resource_config::gpio_conf, and resource_config::type.

Referenced by add_guarded_operations(), and fill_power_res_sequence().

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◆ write_camera_device_common()

static void write_camera_device_common ( const struct device * dev )

static

Definition at line 891 of file camera.c.

References acpigen_emit_namestring(), acpigen_pop_len(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_package(), camera_fill_cio2(), camera_fill_nvm(), camera_fill_sensor(), camera_fill_vcm(), device::chip_info, config, INTEL_ACPI_CAMERA_CIO2, INTEL_ACPI_CAMERA_IMGU, INTEL_ACPI_CAMERA_NVM, INTEL_ACPI_CAMERA_SENSOR, INTEL_ACPI_CAMERA_VCM, and POWER_RESOURCE_NAME.

Referenced by camera_fill_ssdt().

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◆ write_disable_method()

static void write_disable_method	(	struct resource_config *	res_config,
		uint8_t	res_index
	)

static

Definition at line 687 of file camera.c.

References ACPI_NAME_BUFFER_SIZE, acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_pop_len(), acpigen_write_if(), acpigen_write_if_lequal_namestr_int(), acpigen_write_integer(), acpigen_write_method_serialized(), add_power_operation(), DECREMENT_OP, DISABLE, DISABLE_METHOD_FORMAT, GUARD_VARIABLE_FORMAT, LGREATER_OP, resource_set_action_type(), and snprintf().

Referenced by add_guarded_operations().

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◆ write_enable_method()

static void write_enable_method	(	struct resource_config *	res_config,
		uint8_t	res_index
	)

static

Definition at line 667 of file camera.c.

References ACPI_NAME_BUFFER_SIZE, acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_pop_len(), acpigen_write_if_lequal_namestr_int(), acpigen_write_method_serialized(), add_power_operation(), ENABLE, ENABLE_METHOD_FORMAT, GUARD_VARIABLE_FORMAT, INCREMENT_OP, resource_set_action_type(), and snprintf().

Referenced by add_guarded_operations().

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◆ write_guard_variable()

static void write_guard_variable ( uint8_t res_index )

static

Definition at line 659 of file camera.c.

References ACPI_NAME_BUFFER_SIZE, acpigen_write_name_integer(), GUARD_VARIABLE_FORMAT, and snprintf().

Referenced by add_guarded_operations().

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◆ write_i2c_camera_device()

static void write_i2c_camera_device	(	const struct device *	dev,
		const char *	scope
	)

static

Definition at line 803 of file camera.c.

References acpi_device_name(), acpi_device_status(), acpi_device_write_i2c(), ACPI_DT_NAMESPACE_HID, acpigen_emit_byte(), acpigen_emit_namestring(), acpigen_pop_len(), acpigen_write_device(), acpigen_write_if(), acpigen_write_integer(), acpigen_write_method(), acpigen_write_method_serialized(), acpigen_write_name(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_power_res(), acpigen_write_resourcetemplate_footer(), acpigen_write_resourcetemplate_header(), acpigen_write_return_integer(), acpigen_write_STA(), acpigen_write_STA_ext(), acpigen_write_store_op_to_namestr(), acpi_i2c::address, device::chip_info, config, i2c_path::device, fill_power_res_sequence(), device_path::i2c, I2C_SPEED_FAST, INTEL_ACPI_CAMERA_NVM, INTEL_ACPI_CAMERA_SENSOR, INTEL_ACPI_CAMERA_VCM, LEQUAL_OP, i2c_path::mode_10bit, NULL, device::path, and POWER_RESOURCE_NAME.

Referenced by camera_fill_ssdt().

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◆ write_pci_camera_device()

static void write_pci_camera_device ( const struct device * dev )

static

Definition at line 791 of file camera.c.

References acpi_device_name(), acpigen_write_ADR_pci_device(), acpigen_write_device(), acpigen_write_name_string(), BIOS_ERR, DEVICE_PATH_PCI, device::path, printk, and device_path::type.

Referenced by camera_fill_ssdt().

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Variable Documentation

◆ camera_ops

struct device_operations camera_ops

static

Initial value:

= {
        .read_resources         = noop_read_resources,
        .set_resources          = noop_set_resources,
        .acpi_name              = camera_acpi_name,
        .acpi_fill_ssdt         = camera_fill_ssdt,
}

Definition at line 991 of file camera.c.

Referenced by camera_enable().

◆ drivers_intel_mipi_camera_ops

struct chip_operations drivers_intel_mipi_camera_ops

Initial value:

= {
 
        .enable_dev = camera_enable
}

Definition at line 1039 of file camera.c.

◆ res_mgr

struct camera_resource_manager res_mgr

static

Definition at line 1 of file camera.c.

Referenced by add_guarded_operations(), and get_resource_index().

Macros

Functions

Variables

Macro Definition Documentation

◆ CIO2_PCI_DEV

◆ CIO2_PCI_FN

◆ CLK_DISABLE_METHOD

◆ CLK_ENABLE_METHOD

◆ DEFAULT_ENDPOINT

◆ DEFAULT_REMOTE_NAME

◆ DISABLE_METHOD_FORMAT

◆ ENABLE_METHOD_FORMAT

◆ GUARD_VARIABLE_FORMAT

◆ POWER_RESOURCE_NAME

◆ SENSOR_NAME_UUID

◆ SENSOR_TYPE_UUID

◆ UNKNOWN_METHOD_FORMAT

Function Documentation

◆ add_clk_op()

◆ add_gpio_op()

◆ add_guarded_method_namestring()

◆ add_guarded_operations()

◆ add_power_operation()

◆ address_for_dev_type()

◆ apply_pld_defaults()

◆ call_guarded_method()

◆ camera_acpi_name()

◆ camera_enable()

◆ camera_fill_cio2()

◆ camera_fill_nvm()

◆ camera_fill_sensor()

◆ camera_fill_ssdb_defaults()

◆ camera_fill_ssdt()

◆ camera_fill_vcm()

◆ camera_generate_dsm()

◆ camera_generate_pld()

◆ fill_power_res_sequence()

◆ get_resource_index()

◆ resource_clk_config()

◆ resource_get_action_type()

◆ resource_get_ctrl_type()

◆ resource_gpio_config()

◆ resource_set_action_type()

◆ resource_set_clk_config()

◆ resource_set_gpio_config()

◆ write_camera_device_common()

◆ write_disable_method()

◆ write_enable_method()

◆ write_guard_variable()

◆ write_i2c_camera_device()

◆ write_pci_camera_device()

Variable Documentation

◆ camera_ops

◆ drivers_intel_mipi_camera_ops

◆ res_mgr